According to René Descartes, the very fact that he is thinking proves that
A) he exists.
B) knowledge relies on our senses alone.
C) the brain is nothing like a machine.
D) he cannot be deceived by his senses.

Question

Quizplus · Accepted Answer

René Descartes' famous statement "Cogito, ergo sum" or "I think, therefore I am" means that the very fact that he is thinking is proof of his own existence. He used this as the foundation for his philosophy and rationalism, which prioritizes reason and logic in seeking knowledge.

According to René Descartes, the Very Fact That He Is